... more reliable ballast2) With CE,ISO9001:2000 and E-mark certificate3) Aluminum case: water-proof and vibration resistant4) Color: Silver5) Switch times ... /L),H7,H8,H9,H10,H11,H13 etc2.Sepecification:12V 35W,55W and so on3.Color temperature:3000K,4300K,6000K,8000K,10000K ... .Wide view in bad weather like heavy rain and fog4.Excellent in signal and lane reflection due to the high color temperature5 ...